On the hottest days, we need every trick in the book to stay comfortable on the bike: frozen bidons, pre-soaked cap, frequent shade stops. Castelli's Active Cooling Baselayer adds to our arsenal of hot-weather techniques with innovative fabric to keep our temperature well-regulated through tough...

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65% cotton / 35% polyester blend for a super-soft feelScreen-printed graphic

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The Castelli Bandito Wool Sleeveless Baselayer keeps our core warm during those chilly but not-too-cold rides where a long-sleeve is too much.

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The Castelli Climber's 2. 0 Limited Edition Jersey is a must-have for the season of hot riding. The Flusso 3D front fabric allows for optimal airflow, while the StradaPro 3D rear fabric construction is designed to block over 90% of UV rays. With these fabrics, a lightweight, aero-efficient,...

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Designed for climbing on the hottest days, the Castelli Climber's 3. 0 SL 2 Jersey maximizes airflow to keep us cool when the sun shines directly down on us. On the back of the jersey is StradaPro 3D fabric which is engineered to block over 90% of UV rays, while the Flusso 3D fabric on the front...

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Before you assume that all baselayers are created equal, take Castelli's Core Mesh 3 Short-Sleeve Baselayer out on a summer ride with an open mind. Rather than focusing on providing breathable insulation, a warm-weather baselayer like the Core Mesh 3 actually helps you stay cooler. The crew-neck...

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Castelli believes so much in the power of the fabric it uses to craft the Core Mesh 3 Sleeveless Baselayer that it deviated from its usual performance-related fabric monikers and named it Magic Mesh. Before you get skeptical about the fabric's otherworldly name, consider that the brand omitted...

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When we're training and racing during the spring months, the last thing we want is sweat held in fabric, keeping us too cold for the descent back down the canyon. Castelli's Core Seamless Baselayer uses a mix of polyester and polyproylene which wick moisture away from the skin better than...

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Castelli is serious when it comes to battling the elements, and they've amped up their Emergency Rain Jacket to offer the Emergency 2 Rain Jacket. It's ideal for wet weather and breathes so well that many top-class athletes reach for this jacket in inclement weather during the spring classics....

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Castelli's Endurance Pro 2 Jersey is an aerodynamic do-it-all jersey that boasts extreme comfort, carrying space, and unique fabric construction. With the use of four fabrics, we ensure we stay dry and comfortable no matter how hot the temperature, while Multifilament fabric on our back shields...

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